Analog way SmartEdge STE100 User Manual page 35

- Soft Edge Blending Adjustments
The principle of Soft Edge Blending lies in projecting an image on a wide screen thanks to two or more video
projectors displaying the same content. Overlapping or covering areas are created on the screen where two
adjacent projectors meet. Basically, each overlap zone receives the light of two video projectors and receives
the content projected twice.
The art of Soft Edge Blending is to harmonize, or blend the overlapping area with the rest of the image.
You can use different test patterns provided by your Mixer/Seamless Switcher to make all the necessary
adjustments outside and inside the overlapping area.
To deal with Black level, the solution consists of raising the luminance in the left and right areas of the projection,
outside the overlapping zone, to match the luminance of the overlapping area.
HORIZONTAL POSITION
Screen
Right
angle
VP
* NOTE *:
• If you must move image, latteraly, always move VP.
• When moving image verticaly, use the lens shift on your VP.
The solution consists in adjusting the BLACK LEVELS of the image outside the covering area.
Luma level
Light Gray
Dark Gray
Black
Luma level
Light Gray
Dark Gray
Black
Screen
VP
NEVER USE KEYSTONE
Covering Area
Covering Area
BLACK LEVEL
adjustment
VERTICAL POSITION
Screen
VP
Right
angle
Screen
VP
screen
screen
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